Comparing Mode I, Mode II and Mixed-Mode I/II interlaminar fracture toughness of glass and carbon fiber reinforced polymer laminates with the same epoxy matrix system

被引：1

作者：

Gfrerrer, Maria ^{[1
]}

Koss, Veronika ^{[1
]}

Wiener, Johannes ^{[1
]}

Schuecker, Clara ^{[2
]}

Brunner, Andreas J. ^{[3
]}

Pinter, Gerald ^{[1
]}

机构：

[1] Univ Leoben, Mat Sci & Testing Polymers, Polymer Engn & Sci, Otto Gloeckel Str 2-2, A-8700 Leoben, Austria

[2] Univ Leoben, Designing Plast & Composite Mat, Polymer Engn & Sci, Otto Gloeckel Str 2-2, A-8700 Leoben, Austria

[3] Empa, Lab Mech Syst Engn, Swiss Fed Labs Mat Sci & Technol, Ueberlandstr 129, CH-8600 Dubendorf, Switzerland

来源：

ENGINEERING FRACTURE MECHANICS | 2025年 / 320卷

关键词：

Fracture toughness; Delamination resistance; Glass fiber reinforced polymer laminate; Carbon fiber reinforced polymer laminate; Mixed-Mode I/II; MECHANICAL-PROPERTIES; VOLUME FRACTION; DISCONTINUOUS INTERLEAVES; DAMAGE SUPPRESSION; DELAMINATION; COMPOSITES; ADHESION;

D O I：

10.1016/j.engfracmech.2025.111009

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Quasi-static delamination resistance tests under Mode I, Mode II and Mixed-Mode I/II loading are performed on unidirectional (UD) glass fiber (GF) and carbon fiber (CF) reinforced polymer laminates manufactured with the same epoxy matrix. Compared to the CF-, the GF-epoxy laminate has a higher fracture toughness under all loading modes. Fracture toughnesses differ the most for Mode II and the least for Mode I loading. Mixed-Mode I/II fracture toughness is determined in Fixed-Ratio Mixed-Mode and Mixed-Mode Bending tests, performed at the same MixedMode I/II ratio of 4:3. The two test methods yield comparable results for UD GF- and UD CFepoxy.

引用

页数：27

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